The Alphacool Core Geforce RTX 5090 ROG Astral with backplate is a premium water cooling solution designed specifically for the ASUS ROG Astral GeForce RTX 5090 graphics card. This complete cooling package combines a high-performance water block with a protective backplate to deliver superior thermal management for demanding applications.

Product Overview

The cooler features a completely redesigned architecture optimized for the RTX 5090 generation. The water flow has been simulated using advanced software and verified through practical testing to ensure maximum cooling performance. The gaps between the cooler and PCB components have been meticulously redefined and tested to enhance heat dissipation efficiency.

Technical Specifications - Water Block

• Dimensions: 260.25 × 160.90 × 34.32 mm
• Materials and Construction:
  • Base plate: Chrome-plated copper with 3.25 mm thickness
  • Top cover: Acrylic (transparent)
  • Terminal connections: Nylon
  • Connection threads: Brass with massive brass threads for secure fastening
  • Cooling fins: 0.4 mm thickness with 0.4 mm spacing between fins
• Performance Specifications:
  • Maximum working temperature: 60°C
  • Pressure tested: 0.8 bar
  • Connections: 4 × G1/4" ports
• Illumination:
  • Type: Digital aRGB LEDs
  • Quantity: 12 LEDs
  • Color: Transparent housing
  • Power connection: 3-Pin JST
  • Voltage: 5V

Technical Specifications - Backplate

• Dimensions: 260.25 × 132.50 × 6 mm
• Material and Construction:
  • Material: Aluminum
  • Thickness: 3 mm (without spacers)

Package Contents

• 1× Core Geforce RTX 5090 ROG Astral cooler
• 1× Backplate
• Thermal pads in various sizes:
  • 2× 68×15×1 mm pads
  • 1× 54×15×1 mm pad
  • 6× 8×8×1 mm pads
  • 2× 12×15×1 mm pads
  • 1× 98×8×1 mm pad
  • 1× 107×8×1 mm pad
  • 2× 68×8×3 mm pads
  • 1× 45×45×3 mm pad
  • 1× 55×15×3 mm pad
  • 2× 13×15×3 mm pads
• 1× Washer
• 1× M2×4 mm screw